Predictions for Grazing Occultation of ZC 1312, 2009 Apr 4

Grazing Occultation of    1312 F2      Magnitude 6.8 [Red = 6.6]   
Date: 2009 Apr 04 10h 51m,  to  2009 Apr 04 11h 31m

Nominal site altitude 5m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 140  0  0  -32 26 44  11  5 37       38 351  1.26  32.6  18.91  17.17N
 140 30  0  -32 52 18  11  6 48       38 350  1.29  32.6  18.91  17.17N
 141  0  0  -33 17 53  11  7 58       37 349  1.31  32.6  18.90  17.16N
 141 30  0  -33 43 25  11  9  7       37 348  1.34  32.6  18.89  17.15N
 142  0  0  -34  8 56  11 10 14       36 347  1.37  32.6  18.87  17.13N
 142 30  0  -34 34 23  11 11 20       36 346  1.39  32.6  18.85  17.11N
 143  0  0  -34 59 46  11 12 25       35 345  1.42  32.5  18.82  17.08N
 143 30  0  -35 25  5  11 13 28       35 345  1.45  32.5  18.79  17.04N
 144  0  0  -35 50 18  11 14 30       34 344  1.48  32.5  18.75  17.01N
 144 30  0  -36 15 25  11 15 31       33 343  1.52  32.4  18.71  16.97N
 145  0  0  -36 40 25  11 16 30       33 342  1.55  32.4  18.66  16.92N
 145 30  0  -37  5 19  11 17 28       32 342  1.59  32.3  18.61  16.87N
 146  0  0  -37 30  4  11 18 24       32 341  1.62  32.3  18.56  16.82N
 146 30  0  -37 54 41  11 19 20       31 340  1.66  32.2  18.51  16.76N
 147  0  0  -38 19  9  11 20 13       30 340  1.70  32.2  18.45  16.71N
 147 30  0  -38 43 28  11 21  6       30 339  1.74  32.1  18.39  16.64N
 148  0  0  -39  7 37  11 21 57       29 338  1.78  32.0  18.32  16.58N
 148 30  0  -39 31 36  11 22 47       29 338  1.82  32.0  18.25  16.51N
 149  0  0  -39 55 25  11 23 35       28 337  1.87  31.9  18.19  16.44N
 149 30  0  -40 19  3  11 24 22       28 336  1.91  31.8  18.11  16.37N
 150  0  0  -40 42 31  11 25  8       27 336  1.96  31.8  18.04  16.30N

Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.


                Librations  Long +1.50   Lat -0.44
                            P +18.69     D +1.15
      Illumination of moon  70%+
        Elongation of Moon  114
    Vertical Profile Scale  2.54 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.47 deg/min


At longitude 144.50:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
    13.0      5.5   7.0   7.7   8.2   8.5   8.8   8.9
    15.0      5.5   7.0   7.7   8.2   8.6   8.8   9.0
    17.0      5.5   7.0   7.7   8.2   8.6   8.8   9.0
    19.0      5.5   7.0   7.8   8.2   8.6   8.8   9.0
    21.0      5.6   7.0   7.8   8.3   8.6   8.8   9.0

 

Lunar Limb Profile - Melbourne